I have verified this (localhost:4 in machines.* file) on a
laptop running RedHat 8.0 with mpich-1.2.1, just make sure
that you have 'localhost' listed in your .rhosts or
ssh/knownhosts, and remember that MPI only deals with
processES not ProcessORS.
>> On Mon, 2004-06-28 at 21:06, John Hearns wrote:
> > On Mon, 2004-06-28 at 19:22, Robert G. Brown wrote:
>> > >
> > Indeed it does. Just use a machines file something like:
> > localhost:n
> >
> > I agree - that should get you up and running for tests
> > on a single box. The documentation for mpich says that
> > 'n' is the number of processors. But you can increase
> that number.
>> I should make it clear that the invocation is mpirun -np
> m where m is the number of processes.
>> I had it fixed in my head that localhost:n was a limit on
> the number of processes.
> A quick test run confirms that you're able to start -np m
> where m is more than n.
>> _______________________________________________
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<<<<<<<<<<<<<>
Tyler A. Simon
Student Supercomputer Consultant
Mississippi Center for Supercomputing Research
117 Powers Hall
Office(915-7417)
http://www.mcsr.olemiss.edu
<>>>>>>>>>>>>>